On Sat, Aug 27 2005, Douglas Gilbert wrote:
Jeff Garzik wrote:
Does the attached look OK to everybody?
Jeff,
Yes.
And after an exchange with Jens, it would probably be
safer to map transfer_length=0 for READ_10 and READ_16
(as well as WRITE_10 and WRITE_16) to a nop on the ATA
Here is the patch I just checked in.
Jeff
diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c
--- a/drivers/scsi/libata-scsi.c
+++ b/drivers/scsi/libata-scsi.c
@@ -630,11 +630,19 @@ static unsigned int ata_scsi_rw_xlat(str
tf-lbah = scsicmd[3];
On Sat, Aug 27 2005, Jeff Garzik wrote:
Here is the patch I just checked in.
Looks perfect.
--
Jens Axboe
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Douglas Gilbert wrote:
Jeff Garzik wrote:
@@ -1093,28 +1189,54 @@
unsigned int buflen)
{
u8 *scsicmd = args-cmd-cmnd, *p, *last;
-unsigned int page_control, six_byte, output_len;
+const u8 sat_blk_desc[] = {0, 0, 0, 0, 0, 0, 0x2, 0x0};
+/* 512 byte blocks,
Jeff Garzik wrote:
Does the attached look OK to everybody?
Jeff,
Yes.
And after an exchange with Jens, it would probably be
safer to map transfer_length=0 for READ_10 and READ_16
(as well as WRITE_10 and WRITE_16) to a nop on the ATA
side. Otherwise an ATA disk may attempt to transfer 2**16
On Mon, Aug 22 2005, Douglas Gilbert wrote:
if (scsicmd[0] == READ_6 || scsicmd[0] == WRITE_6) {
- qc-nsect = tf-nsect = scsicmd[4];
+ if (scsicmd[4] == 0) {
+ /*
+ * For READ_6 and WRITE_6 (only)
+ *
Jeff Garzik wrote:
Douglas Gilbert wrote:
This is a revised patch following this post:
http://marc.theaimsgroup.com/?l=linux-scsim=112461881419898w=2
The plan is to add MODE SELECT SCSI command support to
libata so that parameters such as WCE and DRA can be
changed by a user (i.e.
Jens Axboe wrote:
On Mon, Aug 22 2005, Douglas Gilbert wrote:
if (scsicmd[0] == READ_6 || scsicmd[0] == WRITE_6) {
- qc-nsect = tf-nsect = scsicmd[4];
+ if (scsicmd[4] == 0) {
+ /*
+ * For READ_6 and WRITE_6 (only)
+
On Tue, Aug 23 2005, Douglas Gilbert wrote:
Jens Axboe wrote:
On Mon, Aug 22 2005, Douglas Gilbert wrote:
if (scsicmd[0] == READ_6 || scsicmd[0] == WRITE_6) {
- qc-nsect = tf-nsect = scsicmd[4];
+ if (scsicmd[4] == 0) {
+ /*
+
This is a revised patch following this post:
http://marc.theaimsgroup.com/?l=linux-scsim=112461881419898w=2
The plan is to add MODE SELECT SCSI command support to
libata so that parameters such as WCE and DRA can be
changed by a user (i.e. Write(back) Cache Enable and
Disable Read Ahead
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